MOQ | 25000 Kilogram/Kilograms |
Classification | Phosphate | Type | Sodium Pyrophosphate |
CAS No. | 7758-16-9 | Other Names | Disodium Pyrophosphate |
MF | Na2H2P2O4 | EINECS No. | 231-835-0 |
Grade Standard | food grade | Purity | 95%min |
Appearance | White powder | Application | Food additive for baking |
Brand Name | TNN | Model Number | TNN028-SAPP |
Odor | Odorless | Melting Point | Decomposes. (220°C or 428°F) |
Molecular Weight | 221.94 g/mole | Color | White |
E Number | E450 | Density | 2.31 g/cm3 |
pH (1% soln/water) | 3.7 to 5.0 (1% aqueous solution) | Solubility in water | 11.9 g/ml (20°C) |
Relevant identified uses | Food additives | Boiling Point | Not available |
Acid Sodium Pyrophosphate
Specification of SAPP 28
Test Item |
Specification |
Content (Na2H2P2O7) % |
≥95.0 |
Phosphorus pentoxide(P2O5) |
63.0-64.0 |
PH value |
3.7—4.5 |
Water-insoluble % |
≤1.0 |
Fluoride (F) % |
≤10ppm |
Heavy metal (Pb) % |
≤10ppm |
Arsenic (As) % |
≤1ppm |
Pb |
≤1ppm |
Hg |
≤1ppm |
Cd |
≤1ppm |
Loss on burning(105℃)% ≤ |
≤0.5 |
ROR |
28 |